Created
June 27, 2017 02:57
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| // map :: (a → b) → [a] → [b] | |
| const map = fn => arr => arr.map(fn) | |
| // :: (Int → String) → [Int] → [String] | |
| map(x => x.toString())([1, 2, 3]) | |
| # ['1', '2', '3'] | |
| // :: (Int → Int) → [Int] → [Int] | |
| map(x => x + 1)([1, 2, 3]) | |
| # [2, 3, 4] | |
| // :: (String → [String]) → [String] → [[String]] | |
| map(x => x.split())(['Jihad', 'Dzikri']) | |
| # [['J', 'i', 'h', 'a', 'd'], ['D', 'z' .. 'i']] |
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